MobilityDB 1.3
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◆ span_joinsel_oper()

static Selectivity span_joinsel_oper ( SpanBound lower1,
SpanBound upper1,
int  nhist1,
SpanBound lower2,
SpanBound upper2,
int  nhist2,
Datum length,
int  length_nvalues,
meosOper  oper 
)
static

Look up the fraction of values in the first histogram that satisfy an operator with respect to a value in the second histogram.